Home / 3,436.64-5,153.50-1,487.45

Finding the Fourth Proportional to 3,436.64, 5,153.50 and 1,487.45

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Solution

The fourth proportional to 3,436.64, 5,153.50 and 1,487.45 is: 2,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.64 : 5,153.50 = 1,487.45 : x
  2. Step 2: Convert to fraction form
    3,436.64/5,153.50 = 1,487.45/x
  3. Step 3: Cross multiply
    3,436.64x = 5,153.50 × 1,487.45
  4. Step 4: Simplify right side
    3,436.64x = 7,665,573.58
  5. Step 5: Solve for x
    x = 7,665,573.58/3,436.64
  6. Step 6: Final answer
    x = 2,230.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.